Home / 12,763,323.60-19,144,985.40-5,195,720.40

Finding the Fourth Proportional to 12,763,323.60, 19,144,985.40 and 5,195,720.40

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Solution

The fourth proportional to 12,763,323.60, 19,144,985.40 and 5,195,720.40 is: 7,793,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,323.60 : 19,144,985.40 = 5,195,720.40 : x
  2. Step 2: Convert to fraction form
    12,763,323.60/19,144,985.40 = 5,195,720.40/x
  3. Step 3: Cross multiply
    12,763,323.60x = 19,144,985.40 × 5,195,720.40
  4. Step 4: Simplify right side
    12,763,323.60x = 99,471,991,200,482.16
  5. Step 5: Solve for x
    x = 99,471,991,200,482.16/12,763,323.60
  6. Step 6: Final answer
    x = 7,793,580.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.